20009500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5717}}^1$

素因数の和:5743

約数の個数: 48

約数和(自身を含む): 49952448

約数和(自身を除く): 29942948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5717, 11434, 22868, 28585, 40019, 57170, 80038, 114340, 142925, 160076, 200095, 285850, 400190, 571700, 714625, 800380, 1000475, 1429250, 2000950, 2858500, 4001900, 5002375, 10004750, 20009500]

約数ペア:

[(1, 20009500), (2, 10004750), (4, 5002375), (5, 4001900), (7, 2858500), (10, 2000950), (14, 1429250), (20, 1000475), (25, 800380), (28, 714625), (35, 571700), (50, 400190), (70, 285850), (100, 200095), (125, 160076), (140, 142925), (175, 114340), (250, 80038), (350, 57170), (500, 40019), (700, 28585), (875, 22868), (1750, 11434), (3500, 5717)]